n. burial vault; receptacle for sacred relics, especially in an altar
Called the Chamber of Paladine, the sepulcher was a large rectangular room, built far below the ground where the destruction of the Tower did not affect it.
Sentence in Classic:
Heyward and the sisters arose, on the instant, from the grassy sepulcher; nor could the two latter, notwithstanding the terrific scenes they had so recently passed through, entirely suppress an emotion of natural horror, when they found themselves in such familiar contact with the grave of the dead Mohawks.
The Last of the Mohicans By James Fenimore Cooper Context